Awei A770 BL wireless Stereo Headphones

A 770 bl features;
retractable head beam, earmuffs fold up and down, making it easier to store and carry
2. transmission distance of 10 meters, stable transmission
3. peripheral pluggable 3.5mm audio interface, suitable for various devices
4. the earmuffs can be rotated 90 degrees laterally and can be worn at multiple angles
5. simple operation
6. standby time: 100 hours
7. talk time: 13 hours
8. music time: 12 hours
9. charging time: 1 hour
10. battery capacity: 250mah.